At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

Pluto sits far out in the Solar System, small and dim, moving at a pace that barely fits human timelines. It was found in ...

Earth’s Rotation Day, observed on January 8, marks Léon Foucault’s 1851 pendulum experiment proving Earth’s rotation. Know ...

Have you ever wondered why Earth goes through massive climate swings, from freezing ice ages to warmer periods like today?

"We're not saying, and we can't say, that there's no life in Europa. What we're saying is that it's a harder proposition, ...

Eric and Wendy Schmidt are backing a start-up-like approach to building a giant space telescope and powerful ground ...

Jupiter’s most famous storm is slimming down, spinning up and behaving in ways that challenge what scientists thought they ...

The word epiphany literally means manifestation. But not exactly in the 21st-century use of it. Manifestation in this sense means “things that appear.” ...

Establishing a National Space Environmental Agency Look, space is getting pretty crowded. We’ve got satellites zipping around ...

Today, science can narrow down potential oil reserves with surprising accuracy — especially when it comes to shale oil, found ...